Augment the dataset with 60K additional samples

data/train-images-idx3-ubyte.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:440fcabf73cc546fa21475e81ea370265605f56be210a4024d2ca8f203523609
-size 9912422
+oid sha256:bc5b5801bd21c495c30aa4ef8219d192a64a19cd00bd410d818cc393fc84bdd6
+size 25600831

data/train-labels-idx1-ubyte.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3552534a0a558bbed6aed32b30c495cca23d567ec52cac8be1a0730e8010255c
-size 28881
+oid sha256:a26c06911ebd3d5998f0b2c3fa4af493cec309f459dc00d6c6aee6ac9adf63b0
+size 56575